Testing United States Bridges at Columbia University

With recent events causing concern about the stability of major bridges, the Department of Civil Engineering and Engineering Mechanics at Columbia University is evaluating their durability with the help of Instron. Click to watch the video:

A Bridge Too Far Gone

The Robert A. W. Carleton Strength of Materials Lab discusses with CBS News how they are testing timeworn infrastructure in the United States to understand how they may react to various scenarios.